/*
 * Copyright Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the authors tag. All rights reserved.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU General Public License version 2.
 * 
 * This particular file is subject to the "Classpath" exception as provided in the 
 * LICENSE file that accompanied this code.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT A
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License,
 * along with this distribution; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */
@noanno
shared void bug871(){
    if(bug871_2({}) != ""){ throw; }
    //bug871_2({{},{}});
    value res = bug871_2({{}, {{"a", "b"}, {}, {"c"}, {}, {"d", "e"}}, {}, {{"a", "b"}, {}, {"c"}, {}, {"d", "e"}}, {}});
    if(res != "abcdeabcde") { throw Exception("Expected something else than `` res ``"); }
}
@noanno
shared String bug871_2(Iterable<Iterable<Iterable<String>>> iterables){
    variable String b = "";
    for(s in { for (it1 in iterables) for (it2 in it1) for (val in it2) val }){
        b += s;
    }
    return b;
}
